Alright, let's work through 6402 times 2401 step by step
6402 × 2401 = 2401 × (6402)
+ 2401 × 2 which equals 4802
+ 2401 × 00 that is equal 0
+ 2401 × 400 that results in 960400
+ 2401 × 6000 that equals 14406000

= 15371202
